About: Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents a pitch-detection algorithm aimed to be applied on signals containing continuous speech. The core of the method is based on merged normalized forward-backward correlation (MNFBC) working in a time domain with ability to voicing decision. In addition to this, Viterbi traceback is used for post-processing the MNFBC output considering three best F0 candidates in each step. This should make final pitch contour smoother and should also prevent octave errors. In transition probabilities between these F0 candidates two major improvements were made over existing post-processing method. Firstly, we compare pitch distance in musical cents, and secondly a temporal forgetting is being applied not to penalize pitch jumps after prosodic pauses of one speaker or changes in pitch connected with turn-taking in dialogs. Results computed on a pitch-reference database definitely show the benefit of first one, but did not prove benefits of the second yet. This paper presents a pitch-detection algorithm aimed to be applied on signals containing continuous speech. The core of the method is based on merged normalized forward-backward correlation (MNFBC) working in a time domain with ability to voicing decision. In addition to this, Viterbi traceback is used for post-processing the MNFBC output considering three best F0 candidates in each step. This should make final pitch contour smoother and should also prevent octave errors. In transition probabilities between these F0 candidates two major improvements were made over existing post-processing method. Firstly, we compare pitch distance in musical cents, and secondly a temporal forgetting is being applied not to penalize pitch jumps after prosodic pauses of one speaker or changes in pitch connected with turn-taking in dialogs. Results computed on a pitch-reference database definitely show the benefit of first one, but did not prove benefits of the second yet. (en)
Title	Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting (en)
skos:prefLabel	Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting (en)
skos:notation	RIV/68407700:21230/11:00183475!RIV12-GA0-21230___
http://linked.open...avai/predkladatel	Fakulta elektrotechnická
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA102/08/0707), P(GD102/08/H008)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Bartošek, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	220435
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/11:00183475
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PDA; fundamental frequency; Viterbi; temporal forgetting; MNFBC; speech processing (en)
http://linked.open.../riv/klicoveSlovo	PDA MNFBC Viterbi fundamental frequency speech processing temporal forgetting
http://linked.open...ontrolniKodProRIV	[5034E44BD2EE]
http://linked.open...v/mistoKonaniAkce	Prague
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	POSTER 2011 - 15th International Student Conference on Electrical Engineering
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Speech Recognition under Real-World Conditions Analysis and modelling biomedical and speech signals
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Bartošek, Jan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-05-12 (xsd:date)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	České vysoké učení technické v Praze. Fakulta elektrotechnická
https://schema.org/isbn	978-80-01-04806-1
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting

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